Route 30 Cooper River Drainage

Installation of 6,632 LF of 15″ to 60″ RCCP drainage pipe, structures & check valves; 4 temp. cofferdams for drainage outfalls into Cooper River; 4,840 SF of permanent steel sheeting; installation of 12,226 SY detention basin and geomembrane; Excavation and disposal of 37,424 tons of regulated material; 317 SY of articulated concrete block mats; 1,492 SY of concrete and stamped concrete sidewalk; 4,052 LF of concrete curb; installation of 109 LF of 60″ diam. tunnel; temporary groundwater treatment system, 6,453 SY of roadway box-out; 98,644 SY of milling and bituminous concrete pavement re-surfacing; 21,927 tons of bituminous pavement.